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฿3,475+ Direct flights to Seoul

This is the cheapest price on a non-stop flight to Seoul found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
— SEL
24 Mar — 31 Mar1
1 adult
1 adult, Economy, 0 bags

Find flight deals to Seoul

Enter your travel dates to find the best prices.

Cheapest flights to Seoul
Explore the most affordable flight options available to Seoul. Find the lowest fares based on data from user searches, with prices last updated on 22 February 2026.

Wed 29/702:25
BKK
-
ICN
Nonstop5h 35m
Thai Vietjet Air
Wed 5/812:10
ICN
-
BKK
Nonstop5h 50m
Thai Vietjet Air
Deal found 20/2฿5,647
Thu 12/309:00
DMK
-
ICN
Nonstop5h 35m
Thai AirAsia X
Tue 17/311:20
ICN
-
DMK
Nonstop6h 10m
Thai AirAsia X
Deal found 21/2฿5,709
Thu 12/309:00
DMK
-
ICN
Nonstop5h 35m
Thai AirAsia X
Wed 18/311:20
ICN
-
DMK
Nonstop6h 10m
Thai AirAsia X
Deal found 20/2฿5,740
Thu 30/702:25
BKK
-
ICN
Nonstop5h 35m
Thai Vietjet Air
Wed 5/812:10
ICN
-
BKK
Nonstop5h 50m
Thai Vietjet Air
Deal found 20/2฿5,802
Mon 20/402:30
DMK
-
ICN
Nonstop5h 35m
Thai AirAsia X
Sat 25/411:20
ICN
-
DMK
Nonstop6h 10m
Thai AirAsia X
Deal found 20/2฿5,833
Tue 28/702:25
BKK
-
ICN
Nonstop5h 35m
Thai Vietjet Air
Wed 5/812:10
ICN
-
BKK
Nonstop5h 50m
Thai Vietjet Air
Deal found 20/2฿5,833
Sat 14/309:00
DMK
-
ICN
Nonstop5h 35m
Thai AirAsia X
Tue 17/317:50
ICN
-
DMK
Nonstop6h 10m
Thai AirAsia X
Deal found 19/2฿5,864
Thu 12/309:00
DMK
-
ICN
Nonstop5h 35m
Thai AirAsia X
Fri 20/311:20
ICN
-
DMK
Nonstop6h 10m
Thai AirAsia X
Deal found 20/2฿5,895
Thu 23/402:30
DMK
-
ICN
Nonstop5h 35m
Thai AirAsia X
Tue 28/411:20
ICN
-
DMK
Nonstop6h 10m
Thai AirAsia X
Deal found 19/2฿6,050
Thu 12/309:00
DMK
-
ICN
Nonstop5h 35m
Thai AirAsia X
Sun 15/311:20
ICN
-
DMK
Nonstop6h 10m
Thai AirAsia X
Deal found 20/2฿6,081
Thu 2/702:25
BKK
-
ICN
Nonstop5h 35m
Thai Vietjet Air
Wed 8/712:10
ICN
-
BKK
Nonstop5h 50m
Thai Vietjet Air
Deal found 19/2฿6,081
Tue 28/702:25
BKK
-
ICN
Nonstop5h 35m
Thai Vietjet Air
Tue 4/812:10
ICN
-
BKK
Nonstop5h 50m
Thai Vietjet Air
Deal found 20/2฿6,113

Best time to book a flight to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Fare Finder

 
Use the slider to find non-stop flights to Seoul within your budget. Price data is based on user searches made on Cheapflights. Over the past seven days, Cheapflights users made 17,341 searches and data was last updated on 22 February 2026.
Use the filters below to find and compare direct flights to Seoul that are best for you.

Fly from

Bangkok

Route

Depart

Return

Price

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Sat 14/3

09:00-16:35

Nonstop5h 35m

Incheon Intl

Tue 17/3

17:50-22:00

Nonstop6h 10m

฿5,864

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Thu 23/4

02:30-10:05

Nonstop5h 35m

Incheon Intl

Tue 28/4

11:20-15:30

Nonstop6h 10m

฿6,050

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Thu 2/7

02:25-10:00

Nonstop5h 35m

Incheon Intl

Sun 12/7

12:10-16:00

Nonstop5h 50m

฿6,361

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Tue 7/7

02:45-10:35

Nonstop5h 50m

Incheon Intl

Sun 12/7

12:05-15:50

Nonstop5h 45m

฿6,423

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Fri 3/7

02:45-10:35

Nonstop5h 50m

Incheon Intl

Sat 11/7

12:05-15:50

Nonstop5h 45m

฿6,454

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Wed 8/7

02:45-10:35

Nonstop5h 50m

Incheon Intl

Sat 11/7

12:05-15:50

Nonstop5h 45m

฿6,516

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Sun 26/7

02:45-10:35

Nonstop5h 50m

Incheon Intl

Wed 5/8

12:05-15:50

Nonstop5h 45m

฿6,547

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Tue 17/3

09:00-16:35

Nonstop5h 35m

Incheon Intl

Mon 20/4

11:20-15:30

Nonstop6h 10m

฿6,640

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Sat 14/3

09:00-16:35

Nonstop5h 35m

Incheon Intl

Sat 21/3

11:20-15:30

Nonstop6h 10m

฿6,764

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Sun 8/3

03:40-11:15

Nonstop5h 35m

Incheon Intl

Thu 12/3

11:20-15:30

Nonstop6h 10m

฿6,857

Flights are sorted by cheapest return flights first.

Deals found on 18/2

Showing 1-10 of 40 results
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Reviews of airlines flying non-stop to Seoul

Get insights into the airlines that provide direct flights to Seoul. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seoul. Reviews last updated 22 February 2026.
Check out reviews from past customers who have flown AIR PREMIA, Thai Airways, andThai Vietjet Air to South Korea to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
AIR PREMIA
8.2
Very Good
Check prices

Overall

8.2

Boarding

8.1

Food

7.3

Entertainment

7.0

Comfort

8.3

Crew

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Jan 2026

EWR - ICN

Extremely excellent. It is now my airline of choice! Fantastic airline!
AIR PREMIA
8.2
Very Good
AIR PREMIA
8.2
Very Good
Check prices

Overall

8.2

Boarding

8.1

Food

7.3

Entertainment

7.0

Comfort

8.3

Crew

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Jan 2026

EWR - ICN

Extremely excellent. It is now my airline of choice! Fantastic airline!
Thai Airways
7.8
Good
384 reviews
AIR PREMIA
8.2
Very Good
Check prices

Overall

8.2

Boarding

8.1

Food

7.3

Entertainment

7.0

Comfort

8.3

Crew

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Jan 2026

EWR - ICN

Extremely excellent. It is now my airline of choice! Fantastic airline!
Thai Vietjet Air
6.6
Okay
115 reviews
AIR PREMIA
8.2
Very Good
Check prices

Overall

8.2

Boarding

8.1

Food

7.3

Entertainment

7.0

Comfort

8.3

Crew

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Jan 2026

EWR - ICN

Extremely excellent. It is now my airline of choice! Fantastic airline!

FAQ about direct flights to Seoul

Find answers to frequently asked questions about direct flights to Seoul to unlock the best deals on Cheapflights.

  • How much are direct flights to Seoul?

    On average, a one-way direct flight to Seoul will cost users approximately ฿8,991. If you're looking for a direct return flight to Seoul, you can expect to pay around ฿23,490.

  • Which airlines fly direct to Seoul?

    At the moment, Thai AirAsia X, Thai Airways, Thai Vietjet Air, AIR PREMIA, T'way Air, Air Busan, Korean Air, Jeju Air, Asiana Airlines, Jin Air offer direct flights to Seoul. Thai AirAsia X is currently the most popular airline that flies direct to Seoul.

  • What is the best time of year to fly direct to Seoul?

    If you're seeking the lowest price on a direct flight to Seoul, March is worth consideration, as prices are usually at their lowest, on average. January may be most appealing to users looking for the quietest time to visit Seoul, when demand is typically at its lowest.

  • What is the most popular direct flight origin to Seoul?

    Currently, the most popular direct flight origin to Seoul is Bangkok Suvarnabhumi Airport. A return direct flight from Bangkok Suvarnabhumi Airport to Seoul typically costs around ฿24,556.

See more FAQs

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